TEKO Industry Co., Limited
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Manuel Operation Two Piece Body Full Bore PTFE Lined Ball Valve
What is the difference between a Lined Ball Valve/Shut off Valve & an Unlined Ball Valve?
Lined ball valves offer all the same functions of unlined valves but are a cost-effective solution for chemical and severe corrosive applications where long term sealing and reliability are needed. They are durable & reliable and perform well after many cycles – which make them a great choice for shutoff and control applications.
They can generally be installed without regard for flow direction, and are ideally suited for automation as they feature an ISO 5211 universal mounting pad which allows for easy automation even with the valve in the pipeline. The stem design incorporates an anti blow out feature which ensures increased safety while every lined ball valve has its own anti-static device, which provides protection against potentially dangerous
electrostatic discharges.
Main features
• Two-piece body, metal-to-metal joint
• Anchored lining with positive locking to body
• Dynamic, maintenance-free shaft sealing
• One-piece ball/shaft, blow out proof, core of SS Duplex
• Rated breaking point outside of valve
• Bodies with optional flange connections PN40 as well as ANSI Class 150
• Optional ISO top flange for direct mounting of pneum quarter turn actuators
Technical Data
| Version |
ANSI |
| Sizes |
1" – 12" |
| Flanges |
ASME B16.5 RF |
| Face to face |
ASME B16.10 |
| Body |
ASTM A216 WCB |
| Lining | PFA, PFA, FEP |
| Ball | PFA, PFA, FEP -encapsulated (conductive) |
| Operating conditions | (depending on material selection) |
| Pressure | up to 16 bar |
| Temperature | -40°C up to +200°C |